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Rubber blocks in the fins ?

Discussion in 'XJ Technical Chat' started by blame_the_po, Apr 11, 2009.

  1. blame_the_po

    blame_the_po Member

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    just noticed this yesterday. there are a bunch of small rubber blocks in between the fins of the engine block. What gives ?
     
    blame_the_po, Apr 11, 2009
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  2. Ace_Frehley

    Ace_Frehley Member

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    They are 'vibration dampers'. They supposedly stop the sympathetic vibration of the motor when it reaches a certain rmp range. Some people say they work wonders, others seem to think the difference when removed is negligible.
     
    Ace_Frehley, Apr 11, 2009
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  3. bluepotpie

    bluepotpie Member

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    i noticed a difference on mine. i would (and do) use them.
     
    bluepotpie, Apr 11, 2009
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  4. blame_the_po

    blame_the_po Member

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    ah, i see. So do these come stock?
     
    blame_the_po, Apr 13, 2009
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  5. MN-Maxims

    MN-Maxims St. Paul Minnesota

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    All my bikes have the rubber blocks.
     
    MN-Maxims, Apr 13, 2009
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  6. bigfitz52

    bigfitz52 Well-Known Member Premium Member

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    All my Yammies, too. So did my SR500s, a '78 and an '80.
     
    bigfitz52, Apr 13, 2009
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  7. bluepotpie

    bluepotpie Member

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    Pretty sure they are stock.
     
    bluepotpie, Apr 14, 2009
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  8. wizard

    wizard Active Member

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    Chacal has them, $1+ ea.
     
    wizard, Apr 14, 2009
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